<template>
  <div class="department-container">
    <div class="app-container">
      <el-card>
        <!-- 用一个行列布局 -->
        <el-row type="flex" justify="space-between" align="middle" style="height: 40px">
          <el-col :span="20">
            <svg-icon icon-class="home" />
            &nbsp;&nbsp;&nbsp;
            <span>江苏传智播客教育科技股份有限公司</span>
          </el-col>
          <el-col :span="4">
            <el-row type="flex" justify="end">
              <!-- 两个内容 -->
              <el-col>负责人</el-col>
              <!-- 下拉菜单 element -->
              <el-col>
                <el-dropdown>
                  <span>
                    操作<i class="el-icon-arrow-down" />
                  </span>
                  <el-dropdown-menu slot="dropdown">
                    <el-dropdown-item @click.native="addBranch('')">添加子部门</el-dropdown-item>
                  </el-dropdown-menu>
                </el-dropdown>
              </el-col>
            </el-row>
          </el-col>
        </el-row>
        <!-- 放置一个el-tree组件 -->
        <el-tree
          :data="list"
          :default-expand-all="true"
        >
          <!-- 作用域插槽 data拿到的是每一个子节点的对象 -->
          <!--
      #default === slot-scope
      什么时候用到作用域插槽？父组件中如果想使用子组件中的数据进行自定义内容的渲染 (类似于table 单元格数据渲染)
    -->
          <template #default="{ data }">
            <el-row
              type="flex"
              justify="space-between"
              align="middle"
              style="height: 40px; width: 100%;"
            >
              <el-col :span="20">
                <span>{{ data.name }}</span>
              </el-col>
              <el-col :span="4">
                <el-row type="flex" justify="end">
                  <!-- 两个内容 -->
                  <el-col>{{ data.manager }}</el-col>
                  <el-col>
                    <!-- 下拉菜单 element -->
                    <el-dropdown>
                      <span> 操作<i class="el-icon-arrow-down" /> </span>
                      <!-- 下拉菜单 -->
                      <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item @click.native="addBranch(data.id)">添加子部门</el-dropdown-item>
                        <el-dropdown-item @click.native="editBranch(data.id)">编辑部门</el-dropdown-item>
                        <el-dropdown-item v-if="data.children.length===0" @click.native="delBranch(data.id)">删除部门</el-dropdown-item>
                      </el-dropdown-menu>
                    </el-dropdown>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-tree>
      </el-card>
      <el-dialog
        :title="isEdit? '编辑部门':'新增部门'"
        :close-on-press-escape="false"
        :close-on-click-modal="false"
        :visible.sync="showDialog"
      >
        <addor-edit :id="curId" ref="deptDialog" :is-edit="isEdit" :origin-list="originList" @success="isOkay" @close="showDialog=false" />
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getDepartments, delDepartment } from '@/api/departments'
import { translateTree } from '@/utils'
import AddorEdit from './deptDialog.vue'

export default {
  components: { AddorEdit },
  data() {
    return {
    // 依赖一份树形数据
      list: [],
      showDialog: false, // 是否显示弹层
      curId: '',
      isEdit: false, // 是否处于编辑状态
      originList: []
    }
  },
  created() {
    this.loadDepartments()
  },
  methods: {
    async loadDepartments() {
      try {
        const res = await getDepartments()
        console.log('获取组织架构', res)
        this.originList = res.data.depts.map(({ id, pid, code, name }) => { return { id, name, code, pid } })
        console.log('this.originList', this.originList)
        // shift会取出数组第一个元素，同时会改变源数组
        const root = res.data.depts.shift()
        // console.log('loadDepartments', root)
        root.children = translateTree(res.data.depts)
        this.list = [root]
      } catch (error) {
        console.log(error)
      }
    },
    addBranch(id) {
      this.curId = id
      this.showDialog = true
      this.isEdit = false
      this.$nextTick(() => {

      })
    },
    isOkay() {
      // 关闭弹层，再次更新数据
      this.showDialog = false
      this.loadDepartments()
    },
    editBranch(id) {
      this.curId = id
      this.showDialog = true
      this.isEdit = true
      this.$nextTick(() => {
        this.$refs.deptDialog.loadDetails()
      })
    },
    delBranch(id) {
      this.$confirm('此操作将永久删除部门, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        // 做删除
        const res = await delDepartment(id)
        console.log(res)
        if (res.code !== 10000) return this.$message({ type: 'error', message: '删除失败' })
        // 1. 提示
        this.$message({ type: 'success', message: '删除成功!' })
        // 2. 更新数据
        this.loadDepartments()
      }).catch(() => {

      })
    }
  }
}
</script>
